70344428724 has 96 divisors (see below), whose sum is σ = 199761206400. Its totient is φ = 21307829760.

The previous prime is 70344428719. The next prime is 70344428743. The reversal of 70344428724 is 42782444307.

70344428724 is a `hidden beast` number, since 7 + 0 + 344 + 4 + 287 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 70344428724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607342 + ... + 713829.

It is an arithmetic number, because the mean of its divisors is an integer number (2080845900).

Almost surely, 2^70344428724 is an apocalyptic number.

It is an amenable number.

70344428724 is an abundant number, since it is smaller than the sum of its proper divisors (129416777676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70344428724 is a wasteful number, since it uses less digits than its factorization.

70344428724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321230 (or 1321222 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 45.

The spelling of 70344428724 in words is "seventy billion, three hundred forty-four million, four hundred twenty-eight thousand, seven hundred twenty-four".